30401250 has 120 divisors (see below), whose sum is σ = 84760368. Its totient is φ = 7260000.

The previous prime is 30401249. The next prime is 30401263. The reversal of 30401250 is 5210403.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 453717 + ... + 453783.

Almost surely, 2^30401250 is an apocalyptic number.

30401250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30401250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42380184).

30401250 is an abundant number, since it is smaller than the sum of its proper divisors (54359118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30401250 is a wasteful number, since it uses less digits than its factorization.

30401250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 30401250 is about 5513.7328553349. The cubic root of 30401250 is about 312.1024277440.

Adding to 30401250 its reverse (5210403), we get a palindrome (35611653).

The spelling of 30401250 in words is "thirty million, four hundred one thousand, two hundred fifty".